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Henrique the Navigator (Porto 1394, Algarve 1460) prince of Portugal,
founded the Sagres Naval School. He financed many Sea Expeditions
--yes, thats where his alias comes from-- to Africa: Madeira
(1418, and still part of Portugal), Azores (1432-57, Portugal nowadays
too), Bojador Cape (1434), Rio de Oro (1436) and Senegal (1445). After
his death several decades went by without new expeditions.